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5 changes: 3 additions & 2 deletions apps/frontend/src/blocks/QuizZone/QuizInProgress.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,11 @@ const QuizInProgress = ({ currentQuiz, submitAnswer }: QuizInProgressProps) => {
const MAX_TEXT_LENGTH = 100;
const MIN_TEXT_LENGTH = 1;

const playTime = currentQuiz.playTime;
const now = new Date().getTime();
const { playTime, deadlineTime } = currentQuiz;

const { start, time } = useTimer({
initialTime: playTime / 1000,
initialTime: (deadlineTime - now) / 1000,
onComplete: () => {},
});

Expand Down
105 changes: 43 additions & 62 deletions apps/frontend/src/hook/useTimer.ts
Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
import { useCallback, useEffect, useRef, useState } from 'react';
import TimerWorker from '@/workers/timer.worker?worker';
import { useState, useEffect, useCallback } from 'react';

interface TimerConfig {
initialTime: number;
Expand All @@ -8,85 +7,67 @@ interface TimerConfig {
}

/**
* Web Worker๋ฅผ ํ™œ์šฉํ•œ ์ •ํ™•ํ•œ ์นด์šดํŠธ๋‹ค์šด ํƒ€์ด๋จธ ์ปค์Šคํ…€ ํ›…
* ์นด์šดํŠธ๋‹ค์šด ํƒ€์ด๋จธ๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” ์ปค์Šคํ…€ ํ›…์ž…๋‹ˆ๋‹ค.
*
* @description
* ์ด ํ›…์€ ์‹œ์ž‘ ์ œ์–ด ๊ธฐ๋Šฅ์„ ๊ฐ–์ถ˜ ์นด์šดํŠธ๋‹ค์šด ํƒ€์ด๋จธ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
* ์ดˆ๊ธฐ ์‹œ๊ฐ„๊ณผ ํƒ€์ด๋จธ ์™„๋ฃŒ ์‹œ ์‹คํ–‰๋  ์„ ํƒ์  ์ฝœ๋ฐฑ์„ ๋ฐ›์Šต๋‹ˆ๋‹ค.
*
* @example
* ```typescript
* const { time, start } = useTimer({
* initialTime: 60,
* onComplete: () => console.log('ํƒ€์ด๋จธ ์™„๋ฃŒ!'),
* });
*
* // ํƒ€์ด๋จธ ์‹œ์ž‘
* start();
* ```
*
* @param {TimerConfig} config - ํƒ€์ด๋จธ ์„ค์ • ๊ฐ์ฒด
* @returns {object} ํƒ€์ด๋จธ ์ƒํƒœ์™€ ์ปจํŠธ๋กค ํ•จ์ˆ˜๋“ค
* @param {number} config.initialTime - ์นด์šดํŠธ๋‹ค์šด ์ดˆ๊ธฐ ์‹œ๊ฐ„(์ดˆ ๋‹จ์œ„)
* @param {() => void} [config.onComplete] - ํƒ€์ด๋จธ ์™„๋ฃŒ ์‹œ ์‹คํ–‰๋  ์„ ํƒ์  ์ฝœ๋ฐฑ
*
* @returns {object} ํ˜„์žฌ ์‹œ๊ฐ„๊ณผ ์‹œ์ž‘ ํ•จ์ˆ˜๋ฅผ ํฌํ•จํ•˜๋Š” ๊ฐ์ฒด
* @returns {number} returns.time - ์นด์šดํŠธ๋‹ค์šด์˜ ํ˜„์žฌ ์‹œ๊ฐ„
* @returns {() => void} returns.start - ํƒ€์ด๋จธ๋ฅผ ์‹œ์ž‘ํ•˜๋Š” ํ•จ์ˆ˜
*/

export const useTimer = ({ initialTime, onComplete }: TimerConfig) => {
const [time, setTime] = useState(initialTime);
const [isRunning, setIsRunning] = useState(false);
const workerRef = useRef<Worker | null>(null);

useEffect(() => {
// Worker๊ฐ€ ์ด๋ฏธ ์กด์žฌํ•˜๋ฉด ์ข…๋ฃŒ
if (workerRef.current) {
workerRef.current.terminate();
}

// ์ƒˆ Worker ์ƒ์„ฑ
workerRef.current = new TimerWorker();
let timer: NodeJS.Timeout | null = null;

// Worker ๋ฉ”์‹œ์ง€ ํ•ธ๋“ค๋Ÿฌ
workerRef.current.onmessage = (event) => {
const { type, payload } = event.data;
// console.log('Received from worker:', type, payload); // ๋””๋ฒ„๊น…์šฉ

switch (type) {
case 'TICK':
setTime(payload.time);
break;
case 'COMPLETE':
setTime(0);
setIsRunning(false);
onComplete?.();
break;
}
};
if (isRunning) {
timer = setInterval(() => {
setTime((prev) => {
const nextTime = prev - 0.1;
if (nextTime <= 0) {
setIsRunning(false);
onComplete?.();
return 0;
}
return nextTime;
});
}, 100);
}

// Clean up
return () => {
workerRef.current?.terminate();
if (timer) {
clearInterval(timer);
}
};
}, []);
}, [isRunning, onComplete]);

// ํƒ€์ด๋จธ ์‹œ์ž‘
const start = useCallback(() => {
if (isRunning || !workerRef.current) return;

workerRef.current.postMessage({
type: 'START',
payload: {
duration: initialTime,
serverTime: Date.now(),
},
});

if (isRunning) return;
setIsRunning(true);
}, [isRunning, initialTime]);

// ํƒ€์ด๋จธ ์ •์ง€
const stop = useCallback(() => {
if (!isRunning || !workerRef.current) return;

workerRef.current.postMessage({ type: 'STOP' });
setIsRunning(false);
}, [isRunning]);

// ํƒ€์ด๋จธ ๋ฆฌ์…‹
const reset = useCallback(() => {
if (!workerRef.current) return;

workerRef.current.postMessage({ type: 'RESET' });
setTime(initialTime);
setIsRunning(false);
}, [initialTime]);

return {
time,
isRunning,
start,
stop,
reset,
};
};
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